Rice (Oryza sativa L.) was domesticated in Asia and brought to Europe (Mediterranean region) by returning members of Ale......

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该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......

该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......

Genetic diversity of 62 Sichuan wheat landraces accessions of China was investigated by agronomic traits and SSR markers......

选用5个自交系为测验种,采用不完全双列杂交遗传交配设计,对四川盆地及盆周山区13个玉米地方种质的配合力进行了分析.结果表明:屏......

Asiatic cotton (Gossypium arboreum L.) is an "Old World" cultivated cotton species, the sinense race of which is planted......